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[RFA/commit] Change target-wide-charset to UTF-16 on ppc-aix.


Same as Windows64, where we're having trouble printing wchar_t
characters, but this time on ppc-aix
(http://www.sourceware.org/ml/gdb-patches/2012-10/msg00361.html).

Same fix.

gdb/ChangeLog:

        * rs6000-aix-tdep.c (rs6000_aix_auto_wide_charset): New function.
        (rs6000_aix_init_osabi): Set auto_wide_charset gdbarch method.

Tested on ppc-aix, using AdaCore's testsuite.  It should fix
gdb.base/wchar.exp.

I'll commit in a few days unless there are objections.

---
 gdb/rs6000-aix-tdep.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gdb/rs6000-aix-tdep.c b/gdb/rs6000-aix-tdep.c
index 06b43de..b4fc931 100644
--- a/gdb/rs6000-aix-tdep.c
+++ b/gdb/rs6000-aix-tdep.c
@@ -719,6 +719,14 @@ rs6000_software_single_step (struct frame_info *frame)
   return 1;
 }
 
+/* Implement the "auto_wide_charset" gdbarch method for this platform.  */
+
+static const char *
+rs6000_aix_auto_wide_charset (void)
+{
+  return "UTF-16";
+}
+
 /* Implement an osabi sniffer for RS6000/AIX.
 
    This function assumes that ABFD's flavour is XCOFF.  In other words,
@@ -775,6 +783,8 @@ rs6000_aix_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
     set_gdbarch_frame_red_zone_size (gdbarch, 224);
   else
     set_gdbarch_frame_red_zone_size (gdbarch, 0);
+
+  set_gdbarch_auto_wide_charset (gdbarch, rs6000_aix_auto_wide_charset);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
-- 
1.7.9.5


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